Photoelectric detection of electron spin resonance of nitrogen-vacancy centres in diamond

被引：140

作者：

Bourgeois, E. ^{[1
,2
]}

Jarmola, A. ^{[3
]}

Siyushev, P. ^{[4
,5
]}

Gulka, M. ^{[2
,6
]}

Hruby, J. ^{[2
,6
]}

Jelezko, F. ^{[4
,5
]}

Budker, D. ^{[3
,7
]}

Nesladek, M. ^{[1
,2
]}

机构：

[1] IMEC, IMOMEC Div, B-3590 Diepenbeek, Belgium

[2] Hasselt Univ, Inst Mat Res IMO, B-3590 Diepenbeek, Belgium

[3] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[4] Univ Ulm, Inst Quantum Opt, D-89081 Ulm, Germany

[5] Univ Ulm, IQST, D-89081 Ulm, Germany

[6] Czech Tech Univ, Kladno 27201, Czech Republic

[7] Johannes Gutenberg Univ Mainz, Helmholtz Inst, D-55099 Mainz, Germany

来源：

NATURE COMMUNICATIONS | 2015年 / 6卷

关键词：

CVD DIAMOND; QUANTUM; SPECTROSCOPY; FABRICATION; STATE;

D O I：

10.1038/ncomms9577

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The readout of negatively charged nitrogen-vacancy centre electron spins is essential for applications in quantum computation, metrology and sensing. Conventional readout protocols are based on the detection of photons emitted from nitrogen-vacancy centres, a process limited by the efficiency of photon collection. We report on an alternative principle for detecting the magnetic resonance of nitrogen-vacancy centres, allowing the direct photoelectric readout of nitrogen-vacancy centres spin state in an all-diamond device. The photocurrent detection of magnetic resonance scheme is based on the detection of charge carriers promoted to the conduction band of diamond by two-photon ionization of nitrogen-vacancy centres. The optical and photoelectric detection of magnetic resonance are compared, by performing both types of measurements simultaneously. The minima detected in the measured photocurrent at resonant microwave frequencies are attributed to the spin-dependent ionization dynamics of nitrogen-vacancy, originating from spin-selective non-radiative transitions to the metastable singlet state.

引用

页数：8

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